Description
XNU in the kernel in Apple iOS before 9 does not properly validate the headers of TCP packets, which allows remote attackers to bypass the sequence-number protection mechanism and cause a denial of service (TCP connection disruption) via a crafted header.
References
- 1033609 vdb-entry
- https://support.apple.com/HT205212
- APPLE-SA-2015-09-30-3 vendor-advisory
- 76764 vdb-entry
- https://support.apple.com/HT205267
- APPLE-SA-2015-09-16-1 vendor-advisory